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Sedans Chevrolet Cobalt Chevrolet Cobalt Real World MPG
212 messages, Last post on Nov 03, 2008 at 3:49 PM
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Replying to: powderkegg (Oct 06, 2008 7:41 am) Your DIC reading is always based on your last hour of driving. So if you did lots of "stop and go" during that last hours it goes down.
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Replying to: grosloup (Oct 06, 2008 9:31 am) Your DIC reading is always based on your last hour of driving. So if you did lots of "stop and go" during that last hours it goes down." I didn't know that! That's good to know, but I would prefer that it just kept averaging from the last time it was reset. Thanks. Tom |
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Replying to: tsjay (Oct 05, 2008 4:26 am) Horsey 
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Replying to: horsey55 (Oct 06, 2008 4:52 pm) You should be a happy camper to be getting that kind of mileage. I have to admit that it was a little hard to believe at first. Tomster |
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Weather has cooled off, so the engine is running cold for a longer time on start-ups. I guess that would explain the slight drop in MPG. Stupid coal trucks! I got behind one this AM on my way to work and heard some fine particles hitting my car. When I got to work and looked at the front end of my car, there were fine particles of wet coal dust. I went to a touchless car wash that probably stripped off the nice coat of wax that I had just put on my Cobalt a couple weeks ago.  I should have known better than to get that close to the back of a coal truck, but I was intending to pass him. It was the two lane road that I travel every day on the way to work. I'll just stay back and not try to pass next time. Tom |
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Very happy with that mileage. This was my usual mix of driving, two lane rural roads with hills, curves, and three stop signs before reaching the town where I work, some miles in town at lunch time, and then the drive back home in the evening. No bumper to bumper city driving, but no interstate cruising, either. Tom |
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I went back up to Illinois yesterday, and this time I only got 32.8 MPG for the round trip. I drove faster than I did last time, so I traded some MPG for some MPH. Also, I should have aired up my tries before the trip, but I waited until today to inflate them to the recommended 30 psi. They were down to 26 or 27 psi cold pressure. The cooler weather caused the tire pressure to go down, and I should have aired up sooner. Proper inflation might have given me a mile or so to the gallon better fuel economy. The onboard air pressure sensors are pretty accurate. They were telling me that I had 26-27 psi tire pressure, and that is exactly what my tire pressure gauge was showing when I aired up this afternoon. Tom |
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How fast does your Cobalt want to run? It seems that every time I let my mind wander a little and stop monitoriog my speed when I am on interstates or parkways, I find that I am doing 80 MPH. I worry about getting a ticket, and, of course, driving 80 MPH doesn't help gas mileage. These little Cobalts sure like go fast, don't they? Anyone have any recommendations for brands of aftermarket cruise control, or for where to have it installed? How much should I plan on spending? Thanks. Tom
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Replying to: tsjay (Nov 03, 2008 12:53 pm) My "ex," the Honda Fit, was hard to drive over 75 mph, since it felt busy and nervous, not to mention a little loud, above 75 mph. It is the first (and possibly the last) car I've driven to LA from SF and kept under 75 all the way. Got terrific gas mileage though! I kind of want to drive the Cobalt down to LA to see what kind of mileage I get. I might keep it down to 75, both for safety and to find out how it compares to the Fit. While I don't expect 38 mpg, I'd like to see what I get. I am liking the new Cobalt so much I am thinking about trading the Versa in on a 5 speed manual version of the Cobalt. 5 speeds are a lot easy to find on dealers' lots these days, thanks to the (now fading) gas crisis. It would be super cool to have a 37 mpg freeway rated car that is (i) quiet and (ii) does 0-60 in 7.5 seconds, according to Car and Driver's recent test. I'd be tempted to outfit it with some high performance tires (in the same size as factory) and have a little "sleeper" sporty car. Unfortunately the 5 speeds are hard to find with cruise control or even ABS. I have mixed feelings about ABS. The research indicates it does NOT add to safety - but the research admits the lack of safety improvement may be due to operator misuse (reacting to the ABS "judder" by lifting off the brake). I feel I can break adequately well on dry surface, especially with grippy tires and the soft brake compound on the '09 Cobalt, but always worry about wet surfaces. There, I'd rather have the computer optimizing the braking for me. Eventually, I suppose, I won't ever buy another car without ABS, then I won't ever buy one without stability control... |
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